碳化

The effect of suspended tungsten carbide particles, bath temperature and cathodic current densities on the content of tungsten carbide in the electrodeposits was studied, the preferred plating parameters were also optimized by orthogonal test.

分析了镀液中碳化钨微粒的悬浮量、镀液温度及阴极电流密度对镀层中碳化钨含量的影响，并进一步通过正交试验优选出一种较佳的操作条件。

The Flex-Hone tool is available in a variety of abrasive types including Silicon Carbide, Aluminum Oxide, Boron Carbide,Tungsten Carbide, Levigated Alumina and Zirconia Alumina.

球头刷的研磨粉可提供各种材料，包括：碳化硅、氧化铝、碳化硼、碳化钨、氧化铝、氧化锆。

Therefore, this process is firstly used to form the chromium carbide layer on the surface of the axle sleeve and bush in the immersed roller used for Strip-Hotgalvanizing unit to improve their working life.

熔渣法碳化铬被覆处理可以在钢铁表面形成牢固、致密的碳化铬覆层，已广泛应用于提高工模具和机械零件的耐磨性能。

The crystallinity of wet-spinning PAN precursor fibers gradually reduces during preoxidation process, while it gradually increases during carbonization process.

湿纺PAN原丝的结晶度在预氧化过程中逐渐降低，在碳化过程中随着碳化温度的升高逐渐增加。

Travel time in WC anvils was measured using pulse reflect method at room temperature and under cell pressure up to 3.0GPa.Experimental results indicate that the travel time in the WC anvils decreased linearly with cell pressure.

在常温、实验压力为0～3GPa条件下，利用脉冲反射法测量了纵波在碳化钨压钻中的走时，结果发现，随实验压力升高，碳化钨压砧的走时线性减少。

The calculation of parameter m_0,that is the amount of CO_2 absorbed by unit volume of concrete completely carbonated,was proposed by the analysis of concrete hydration process and carbonation mechanism,and the simplification formula of fly ash concrete applied in practice was suggested.The calculation of another important parameter D_e,that is the effective diffusion coefficient,was also proposed on the basis of the mechanism gas diffusion in concrete.

通过对混凝土水化过程、碳化机理的深入分析，提出了模型参数——完全碳化时单位体积混凝土吸收二氧化碳的量m_0的计算方法，并给出了工程中常用粉煤灰混凝土的简化实用公式；基于气体在混凝土中扩散机理的分析，给出了另一个重要的模型参数——二氧化碳在混凝土中有效扩散系数D_e的计算公式。

Based on light burned magnesia as raw material, factors that influence dissolution and Mg2+ carbonation, such as particle size, dissolution time, carbonation temperature, and compositions, et al, were studied.

以轻烧镁为原料，对溶浸和Mg2+碳化过程中的主要影响因素，如物料粒径、溶浸时间、碳化温度以及配料组成进行了研究。

Based on light burned magnesia as raw material, factors that influence dissolution and Mg(superscript 2+) carbonation, such as particle size, dissolution time, carbonation temperature, and compositions, et al, were studied.

以轻烧镁为原料，对溶浸和Mg(上标 2+)碳化过程中的主要影响因素，如物料粒径、溶浸时间、碳化温度以及配料组成进行了研究。

We want to buy Diamond Wheel, Cbn Wheel, Diamond Toolings, Tungsten Carbide Drawing Dies, Diamond Drawing Dies, Tungsten Carbide, Toolings Diamond Cutting Tools and Machines

我们要采购金刚石砂轮， CBN砂轮，金刚石工具，碳化钨拉丝模，金刚石拉丝模，碳化钨工具，钻石切割工具和机器

In addition, the ingredients have been tested by the IR spectra which show the probability of the nano-porous structure. SEM pictures, specific surface areas and distribution of pore diameter have been tested to study the nano-porous structures in surface and some data before and after the pyrolyzing process have been gained: the size of the organic aerogel is 30~50nm, that of the carbon aerogel is about 10nm, the specific surface area increases from 341.77m^2/g to 452.75m^2/g, the density increases from 0.1708g/cm^3 to 0.3356g/cm^3 respectively.

借助有机气凝胶的红外光谱研究了其化学结构，说明其网孔结构形成的可能性；研究了有机气凝胶的扫描电镜图像、比表面积及孔径分布等，并得到碳化前后的一些对比数据：有机气凝胶颗粒大小30~50nm，碳化后约为10nm，比表面积从341.77平方公尺/g增大到452.75平方公尺/g，密度从0.1708g/立方公分增大到0.3356g/立方公分。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。